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                  <p class="p_Heading1"><span class="f_Heading1">UML Diagrams</span></p>



  
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<p class="p_SubHeadingL1"><span class="f_SubHeadingL1">What is a UML Diagram?</span></p>
<p class="p_BodyText"><span class="f_BodyText">A UML diagram is a </span><span class="f_BodyText">representation of the components or elements of a system or process model and, depending on the type of diagram, how those elements are connected or how they interact </span><span class="f_BodyText">from a particular perspective. For example, how and why an object changes state, or how requirements are realized by the process or a system.</span></p>
<p class="p_SubHeadingL1"><span class="f_SubHeadingL1">Types of Diagram</span></p>
<p class="p_BodyText"><span class="f_BodyText">There are two major groupings of UML diagrams:</span></p>
<ul style="text-indent: 0px; margin-left: 30px; list-style-position: outside;">
<li><span class="f_Bulletlist1"><a href="structuraldiagrams.htm">Structural Diagrams</a> which </span><span class="f_BodyText">depict the structural elements composing a system or function, reflecting the static relationships of a structure, or run-time architectures.</span></li>
<li><span class="f_Bulletlist1"><a href="behavioraldiagrams.htm">Behavioral Diagrams</a> which</span><span class="f_BodyText"> show a dynamic view of the model, depicting the behavioral features of a system or business process.</span></li>
</ul>
<p class="p_BodyText"><span class="f_BodyText">&nbsp;</span></p>
<p class="p_BodyText"><span class="f_BodyText">Enterprise Architect provides the following additional diagram types that </span><span class="f_BodyText" style="font-style: italic;">extend</span><span class="f_BodyText"> the core UML diagrams for business process modeling, formal requirements specifications and other domain-specific models:</span></p>
<ul style="text-indent: 0px; margin-left: 30px; list-style-position: outside;">
<li><span class="f_Bulletlist1"><a href="analysisdiagram.htm">Analysis</a> diagrams</span></li>
<li><span class="f_Bulletlist1"><a href="customdiagram.htm">Custom</a> diagrams</span></li>
<li><span class="f_Bulletlist1"><a href="requirements_diagram.htm">Requirements</a> diagrams</span></li>
<li><span class="f_Bulletlist1"><a href="maintenance_diagram.htm">Maintenance</a> diagrams</span></li>
<li><span class="f_Bulletlist1"><a href="user_interface_diagram.htm">User Interface</a> diagrams</span></li>
<li><span class="f_Bulletlist1"><a href="databaseschema.htm">Database</a> diagrams</span></li>
<li><span class="f_Bulletlist1"><a href="business_interaction.htm">Business Modeling and Business Interaction</a> diagrams.</span></li>
</ul>
<p class="p_BodyText"><span class="f_BodyText">&nbsp;</span></p>
<p class="p_BodyText"><span class="f_BodyText">Enterprise Architect</span><span class="f_BodyText"> also supports diagram types specific to <a href="mdgtechnologies.htm">MDG Technologies</a>, including integrated technologies such as <a href="archimate.htm">Archimate</a>, <a href="bpmn_1_4.htm">BPMN</a>, <a href="data_flow_diagrams.htm">Data Flow Diagrams</a>, <a href="iconix_process.htm">Iconix</a> and <a href="mind_mapping.htm">Mind Mapping</a>.</span></p>
<p class="p_SubHeadingL1"><span class="f_SubHeadingL1">Work with Diagrams</span></p>
<p class="p_BodyText"><span class="f_BodyText">Diagrams are developed in the main workspace in which you create and connect model elements. You create them by right-clicking a package and selecting the </span><span class="f_MenuKeyField">New Diagram</span><span class="f_BodyText"> context menu option, or load them by double-clicking their diagram icon in the </span><span class="f_UIControl">Project Browser</span><span class="f_BodyText">.</span></p>
<p class="p_BodyText"><span class="f_BodyText">For full details on how to work with diagrams, see </span><span class="f_BodyText" style="font-style: italic;"><a href="commondiagramtasks.htm">Diagram Tasks</a></span><span class="f_BodyText">.</span></p>




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